<template>
    <div>
         <!-- 面包屑导航 -->
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                     <el-input placeholder="请输入内容" v-model='querInfo.query' clearable @clear='getGoodsList'>
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>
            <!--  table表格区域 -->
            <el-table :data='goodsList' border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label="商品名称" prop='goods_name'></el-table-column>
                <el-table-column label="商品价格(元)" prop='goods_price' width="90px"></el-table-column>
                <el-table-column label="商品重量" prop='goods_weight' width="90px"></el-table-column>
                <el-table-column label="创建时间" prop='add_time' width="140px">
                    <template slot-scope="scope">
                        <span>{{scope.row.add_time|dateFormat}}</span>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" size="mini" icon='el-icon-edit'></el-button>
                        <el-button type="danger" size="mini" icon='el-icon-delete' @click="deleteGoodsById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="querInfo.pagenum" :page-sizes="[5,10,15,20]" :page-size="querInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>
<script>
export default {
    data(){
        return{
            // 查询参数对象
            querInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品总数
            total:0,
            // 商品列表
            goodsList:[]
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods',{params:this.querInfo})
            if(res.meta.status!==200)return this.$message.error('获取商品列表失败！')
            // console.log(res.data)
            this.goodsList=res.data.goods
            this.total=res.data.total
        },
        handleSizeChange(newSize){
            this.querInfo.pagesize=newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.querInfo.pagenum=newPage
            this.getGoodsList()
        },
        // 根据id删除商品
        deleteGoodsById(goods_id){
            this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
                }).then(async () => {
                    const {data:res} = await this.$http.delete('goods/'+goods_id)
                    if(res.meta.status!==200)return this.$message.error("删除商品失败！")
                    this.getGoodsList()
                this.$message({
                    type: 'success',
                    message: '删除商品成功!'
                });
                }).catch(() => {
                this.$message({
                    type: 'info',
                    message: '已取消删除'
                });          
            });
        },
        // 跳转到添加商品页面
        goAddPage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>
<style lang="less" scoped>
    
</style>